public class Example219 {
    public static void main(String[] args) {
        printRectangle(3,5);
        printRectangle(2,4);
        printRectangle(6,10);
    }
    public static void printRectangle(int height,int width){
        for (int i = 0; i < height; i++){
            for (int j = 0; j < width; j++){
                System.out.print("*");
            }
            System.out.print("\n");//打印完一行星换行
        }
        System.out.print("\n");
    }
}
